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Finding the Fourth Proportional to 447.56, 671.25 and 122.89

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Solution

The fourth proportional to 447.56, 671.25 and 122.89 is: 184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.56 : 671.25 = 122.89 : x
  2. Step 2: Convert to fraction form
    447.56/671.25 = 122.89/x
  3. Step 3: Cross multiply
    447.56x = 671.25 × 122.89
  4. Step 4: Simplify right side
    447.56x = 82,486.56
  5. Step 5: Solve for x
    x = 82,486.56/447.56
  6. Step 6: Final answer
    x = 184.30

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